Foot for a jack assembly



FIG. 1 is a perspective view a foot for a jack assembly showing our new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a left side view thereof.

The broken lines depict environment and form no part of the claimed design. 

CLAIM The ornamental design for a foot for a jack assembly, as shown and described. 